12387734 has 8 divisors (see below), whose sum is σ = 19559640. Its totient is φ = 5867856.

The previous prime is 12387733. The next prime is 12387737. The reversal of 12387734 is 43778321.

12387734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12387694 and 12387703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162959 + ... + 163034.

It is an arithmetic number, because the mean of its divisors is an integer number (2444955).

Almost surely, 2^12387734 is an apocalyptic number.

12387734 is a deficient number, since it is larger than the sum of its proper divisors (7171906).

12387734 is a wasteful number, since it uses less digits than its factorization.

12387734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326014.

The product of its digits is 28224, while the sum is 35.

The square root of 12387734 is about 3519.6212864455. The cubic root of 12387734 is about 231.3825610553.

The spelling of 12387734 in words is "twelve million, three hundred eighty-seven thousand, seven hundred thirty-four".